Terence McKenna

Terence Kemp McKenna was an American psychonaut, ethnobotanist, lecturer, and author. He spoke and wrote about a variety of subjects, including psychedelic drugs, plant-based entheogens, shamanism, metaphysics, alchemy, language, culture, technology, and the theoretical origins of human consciousness. He was called the "Timothy Leary of the 90s", "one of the leading authorities on the ontological foundations of shamanism", and the "intellectual voice of Rave culture". McKenna formulated a concept about the nature of time based on fractal patterns he claimed to have discovered in the I Ching, which he called novelty theory, proposing this predicted the end ... more on Wikipedia